February 3rd - On This Date - RN Submarine Service

1916	G4	Submarine HMS G4 completed
1919	H43	Submarine HMS H43 launched
1920	H50	Submarine HMS H50 completed
1931	Phoenix	Submarine HMS Phoenix completed
1941	HMS Truant	HMS Truant torpedoes and sinks the Italian merchant Multedo north-west of Benghazi, Lybia.
1942	HMS Thunderbolt	HMS Thunderbolt damages the Italian auxiliary submarine chaser AS 80/Lanciotto Piero with gunfire off Gheregambe.
1942	HMS Umbra	HMS Umbra torpedoes and damages the Italian merchant Napoli about 30 nautical miles east of Sousse, Tunisia.
1945	HMS Tantivy	HMS Tantivy sinks a Japanese tug and two Japanese coasters with gunfire in Panjang harbour, southern Sumatra, Netherlands East Indies.
2009	HMS Vanguard	Vanguard and the French nuclear submarine Triomphant collided somewhere in the Atlantic Ocean. On February 6 the French Ministry of Defence reported that Triomphant “collided with an immersed object (probably a container)”. The UK Ministry of Defence initially would not comment that the incident took place but it was confirmed on February 16 by First Sea Lord Sir Jonathon Band. He said that the collision occurred at low speed, and that there had been no injuries. Both vessels were damaged. Vanguard received damage to the outer casing in the area of the missile compartment on the starboard (right) side.

SAB